remove not needed

app/login/login.js

@@ -74,7 +74,6 @@ login.controller('LoginCtrl', function ($scope, $q, $timeout, $http, $location,
             }
         ];
         $scope.onSubmit = function(form){
-            console.log(FormDiff.get_diff({adad: 2, adada: 3},{adad: 2, adada: 4}));
             $scope.$broadcast('schemaFormValidate');
             if (form.$valid){
                 var credentials = {email: form.email.$modelValue, password: form.password.$modelValue};

app/zlib/general.js

@@ -4,11 +4,16 @@
 
 //angular.module('FormDiff', [])
 /**
- *  service to return form diff for all form submits
+ *  this file contains general functions of app.
  */
 var general = angular.module('general', []);
 
 general.factory('FormDiff', function(){
+    /**
+     * function to return diff of models of submitted form
+     * @type {{}}
+     * @params obj1, obj2
+     */
     var formDiff = {};
     formDiff.get_diff = function (obj1, obj2) {
         var result = {};
@@ -20,6 +25,6 @@ general.factory('FormDiff', function(){
                 result[key] = arguments.callee(obj1[key], obj2[key]);
         }
         return result;
-    }
+    };
     return formDiff;
 });
\ No newline at end of file